I picked up a 41 cc US engine from an auction over the weekend, and I am wondering two things. First, does anyone have part? Second, how much is too much to spend to fix it? The bearings appear to be all good, except the spring starter- the spring is shot as well, so I am in need of mainly the crank seals, carb gaskets, and crankshaft thrust washers. Is it worth repairing?